We're so excited for Jennifer Aniston and her engagement to Justin Theroux! Our friends at Lucky mag are pretty psyched, too, and have Jen's potential fashion choice on their minds. What will America's Sweetheart wear for her big day?...

We're so excited for Jennifer Aniston and her engagement to Justin Theroux! Our friends at Lucky mag are pretty psyched, too, and have Jen's potential fashion choice on their minds. What will America's Sweetheart wear for her big day? We know she already looks amazing in white--check out Lucky's slideshow of her past wedding-ready looks and our pick from the 2004 Emmys (Chanel Haute Couture) below!